Introduction -- Chapter 1: What is "Energy Efficiency"? -- Energy versus power -- Ratio of inputs to outputs -- Energy consumption and productivity -- Chapter 2: Processes and Planning -- Develop situational awareness -- Implement a Green IT process -- IT asset management (ITAM) -- Capacity management -- Project management -- Identify available assistance -- Employee involvement -- Involve the right stakeholders -- Chapter 3: Applications and Data -- Reduce application variation -- Utilize cloud computing -- Software as a service (SaaS), platform as a service (PaaS) and storage as a service -- Application design -- Data management -- Chapter 4: Broad Themes -- Maximize utilization -- Newer tends to be more efficient -- Modular approach -- Utilize zones -- Looser environmental demands -- Chapter 5: IT Hardware -- Identify and decommission ghosts -- Server consolidation and virtualization -- Blade computers -- Power management -- Compression -- Power supplies -- Other server components -- Reassess fault tolerance -- Reduce hardware variation -- "Turn it off!" campaign -- Chapter 6: Facilities - Electrical -- Scalable modular power -- Power back-up systems -- Power zones -- Power distribution -- Distributed generation -- Chapter 7: Facilities - Cooling -- The Arrhenius equation and data center cooling -- Input temperature: ASHRAE standards, vendors and reality -- Cooling zones -- Hot aisle/cold aisle -- Correcting air flow -- Leverage experts -- Water cooling -- Insulation -- Economizers -- Chapter 8: Selecting a Data Center Location -- Climate -- Cost of power -- Energy availability -- Tax incentives -- Bonds/government financing -- Political climate -- Natural disasters -- Chapter 9: Monitoring and Reporting -- Power usage effectiveness (PUE) -- Data center infrastructure efficiency (DCiE) -- Monthly data center energy costs.

Monthly energy costs per IT service -- Baseline now! -- Chapter 10: Conclusion -- Appendix: Additional Resources -- ITG Resources.